we have emergency action plans for these shooters. and this is what the situation was. and we have police officers and detectives and units that train for this all of the time for this type of scenario. and so when they turn out. they establish a perimeter and set up a mobile command base and ploy the troops and vet information as it comes in. and they will usually work in a minimum of four teems that go through the door and do a grid search. and maybe they will access to poigns of the building and being aware of the cross fire scenario to stay away from that. they go in and they don't know if the doors are booby trapped or if there is more than one shooter. and those people may not have all of the information. after columbine. one of the changes in dealing with law enforcements, as in columbine they waited a minute to assess what was going o. and the protocall is you go in and try to get to the shooter as soon as possible. and that meeps the first guys in there are putting their in harm's ways. a crime like this is usual lie done within five minutes. you don't have tim